CVE-2025-38310: debian linux — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: seg6: Fix validation of nexthop addresses The kernel currently validates that the length of the provided nexthop address does not exceed the specified length. This can lead to the kernel reading uninitialized memory if user space provided a shorter length than the specified one. Fix by validating that the provided length exactly matches the specified one.

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CVSS v3.1 Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Products

Vendor	Product	Versions
linux	linux_kernel	4.14 — 5.15.186
linux	linux_kernel	5.16 — 6.1.142
linux	linux_kernel	6.2 — 6.6.94
linux	linux_kernel	6.7 — 6.12.34
linux	linux_kernel	6.13 — 6.15.3
debian	debian_linux	All

References

Advisories & Patches

https://git.kernel.org/stable/c/668923c474608dd9ebce0fbcc41bd8a27aa73dd6 https://git.kernel.org/stable/c/7632fedb266d93ed0ed9f487133e6c6314a9b2d1 https://git.kernel.org/stable/c/cd4cd09810211fa23609c5c1018352e9e1cd8e5a https://git.kernel.org/stable/c/cef33a86bcb04ecf4dc10c56f6c42ee9d1c54bac https://git.kernel.org/stable/c/d2507aeea45b3c5aa24d5daae0cf3db76895c0b7 https://git.kernel.org/stable/c/d5d9fd13bc19a3f9f2a951c5b6e934d84205789e

Other References

https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html

Frequently Asked Questions

What is CVE-2025-38310? +

In the Linux kernel, the following vulnerability has been resolved: seg6: Fix validation of nexthop addresses The kernel currently validates that the length of the provided nexthop address does not exceed the specified length. This can lead to the kernel reading uninitialized memory if user space provided a shorter length than the specified one. Fix by validating that the provided length exactly matches the specified one. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2025-38310? +

CVE-2025-38310 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-38310? +

CVE-2025-38310 affects products from debian, linux, specifically: debian_linux, linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-38310? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2025-38310

Description

CVSS v3.1 Score

Affected Products

References

Advisories & Patches

Other References

Frequently Asked Questions

Related Vulnerabilities

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